<div class="app">
<table border="0" cellspacing="2" cellpadding="3" width="100%">
<tr>
	<th>Index</th>
	<th>User Name</th>
</tr>
<#list userList as item>
  <#if item_index%2==0>
     <#assign cls="a">
  <#else>
     <#assign cls="b">          
  </#if>
    <tr class="${cls}">    
	<td>${item_index}</th>
	<td>${item}</th>
</tr>
</#list>
</table>
</div>